Finding the Fourth Proportional to 153,174.04, 211,378.99 and 84,262.01
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Solution
The fourth proportional to 153,174.04, 211,378.99 and 84,262.01 is: 116,280.93
Step by Step Solution
- Step 1: Write the proportion equation
153,174.04 : 211,378.99 = 84,262.01 : x - Step 2: Convert to fraction form
153,174.04/211,378.99 = 84,262.01/x - Step 3: Cross multiply
153,174.04x = 211,378.99 × 84,262.01 - Step 4: Simplify right side
153,174.04x = 17,811,218,886.96 - Step 5: Solve for x
x = 17,811,218,886.96/153,174.04 - Step 6: Final answer
x = 116,280.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.